20151890 (number)

20151890 is an even 8-digits composite number following 20151889 and preceding 20151891. In scientific notation, it is written as 2.0151890 × 10^7. The sum of its digits is 26. It has a total of 4 prime factors and 16 positive divisors. There are 7277440 positive integers (up to 20151890) that are relatively prime to 20151890.

Interesting facts

Basic properties

Name

Name twenty million one hundred fifty-one thousand eight hundred ninety

Notation

Scientific notation 2.0151890 × 10^7
Engineering notation 2.0151890 × 10^6

Prime Factorization of 20151890

Prime Factorization 2 × 55 × 167 × 1097

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20151890
Product of the distinct prime numbers

The prime factorization of 20151890 is 2 × 55 × 167 × 1097. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 8, 33, 57, 237, 557, 7246, 1520, 4232, 46395, 738100, 664666, 8147384, 273202, 73535191, 23660420, 86218970, 516891389, 2502602009, 2302575853

Basic calculations (n = 20151890)

Multiplication

n×y
n×2 40303780
n×3 60455670
n×4 80607560
n×5 100759450

Division

n÷y
n÷2 10075945
n÷3 6717296.6666667
n÷3 5037972.5
n÷5 4030378

Exponentiation

ny
n2 406098670572100
n3 8.1836557385152E+21
n4 1.6491613024043E+29
n5 3.3233717158308E+36

Nth Root

y√n
2√n 4489.0856530033
3√n 272.12718424913
4√n 67.000639198468
5√n 28.89769192369

Divisors of 20151890

1, 2, 55, 110, 167, 334, 1097, 2194, 9185, 18370, 60335, 120670, 183199, 366398, 10075945, 20151890

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20151889
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1
Returns the nth root of the product of n divisors
H Harmonic Mean 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20151890 can be divided by 16 positive divisors. The sum of these divisors (counting 20151890) is 1, the average is 0.0625.

Base conversion 20151890

Base System Value
2 Binary 1001100110111111001010010
3 Ternary 1101220211012022
4 Quaternary 1030313321102
5 Quinary 20124330030
6 Senary 1555531442
8 Octal 114677122
10 Decimal 20151890
12 Duodecimal 68b9b82
16 Hexadecimal 1337e52
20 Vigesimal 65ijea
36 Base36 bzxaq

Cryptographic Hash Functions

md5 a8663866881d50ad311a96503132c3b3
sha1 20f345562789f126b6fafcf8ee00707f46672cec
sha256 5b8f436a15d74029b47bd91b0a96b08e6db051c6b35f92e909a02a43ab05297c
sha512 45d9c5c7d90bd69fd0317ca05921a38609c787486b65d6281f80dbb27c7194548844ff5996bab6b01020273cc3fc2b712f16c373b74926d27e2206b305c63976
ripemd-160 87a254015f5848df0b283063e540ecafb02abf54

20151890 as geometric shapes

Circle

Radius = n
Diameter 40303780
Circumference 126618059.1599
Area 1.2757966001019E+15

Sphere

Radius = n
Volume 3.4279616996836E+22
Surface area 5.1031864004076E+15
Circumference 126618059.1599

Square

Length = n
Perimeter 80607560
Area 406098670572100
Diagonal 28499076.145451

Cube

Length = n
Surface area 2436592023432600
Volume 8.1836557385152E+21
Space diagonal 34904097.348539

Equilateral Triangle

Length = n
Perimeter 60455670
Area 1.7584588257926E+14
Altitude 17452048.67427

Triangular Pyramid

Length = n
Surface area 1.7584588257926E+14
Volume 9.6445307793338E+20
Height 9499692.0484836